21950240081

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{2293}}^1$

素因数の和:2502

約数の個数: 64

約数和(自身を含む): 29682671616

約数和(自身を除く): 7732431535

約数列:

[1, 7, 11, 17, 71, 77, 103, 119, 187, 497, 721, 781, 1133, 1207, 1309, 1751, 2293, 5467, 7313, 7931, 8449, 12257, 13277, 16051, 19261, 25223, 38981, 51191, 80443, 92939, 124321, 134827, 162803, 176561, 236179, 272867, 428791, 563101, 870247, 1139621, 1367531, 1653253, 1790833, 2597969, 2767651, 3001537, 4015043, 9572717, 12535831, 16768709, 18185783, 19373557, 28105301, 30444161, 44165473, 117380963, 184455799, 213109127, 285068053, 309158311, 1291190593, 1995476371, 3135748583, 21950240081]

約数ペア:

[(1, 21950240081), (7, 3135748583), (11, 1995476371), (17, 1291190593), (71, 309158311), (77, 285068053), (103, 213109127), (119, 184455799), (187, 117380963), (497, 44165473), (721, 30444161), (781, 28105301), (1133, 19373557), (1207, 18185783), (1309, 16768709), (1751, 12535831), (2293, 9572717), (5467, 4015043), (7313, 3001537), (7931, 2767651), (8449, 2597969), (12257, 1790833), (13277, 1653253), (16051, 1367531), (19261, 1139621), (25223, 870247), (38981, 563101), (51191, 428791), (80443, 272867), (92939, 236179), (124321, 176561), (134827, 162803)]